Two comment edits
1. In "avoidLibYUV should be set to AVIF_TRUE ...", change "should" to
"can" to make it clear this is optional, not a recommendation.
2. In "to be consumed by the codec at the next avifEncoderAddImage()
call", change "at" to "in".
diff --git a/include/avif/avif.h b/include/avif/avif.h
index 3ff54ec..77e8249 100644
--- a/include/avif/avif.h
+++ b/include/avif/avif.h
@@ -534,7 +534,7 @@
// If libavif is built with a version of libyuv offering a fast conversion between RGB and YUV for
// the given inputs, libavif will use it. See reformat_libyuv.c for the details.
// libyuv is faster but may have slightly less precision than built-in conversion, so avoidLibYUV
-// should be set to AVIF_TRUE when AVIF_CHROMA_UPSAMPLING_BEST_QUALITY or
+// can be set to AVIF_TRUE when AVIF_CHROMA_UPSAMPLING_BEST_QUALITY or
// AVIF_CHROMA_DOWNSAMPLING_BEST_QUALITY is used, to get the most precise but slowest results.
// Note to libavif maintainers: The lookup tables in avifImageYUVToRGBLibYUV
@@ -1094,7 +1094,7 @@
AVIF_API avifResult avifEncoderFinish(avifEncoder * encoder, avifRWData * output);
// Codec-specific, optional "advanced" tuning settings, in the form of string key/value pairs,
-// to be consumed by the codec at the next avifEncoderAddImage() call.
+// to be consumed by the codec in the next avifEncoderAddImage() call.
// See the codec documentation to know if a setting is persistent or applied only to the next frame.
// key must be non-NULL, but passing a NULL value will delete the pending key, if it exists.
// Setting an incorrect or unknown option for the current codec will cause errors of type
